Phosphorus: Essential to All Life But Are We Running Out?

Phosphorus: Essential to All Life But Are We Running Out?

If you've followed environmental stories over the years, you'll know this tune. Scientists have long been singing off the same songbook when it comes to fossil fuels, deforestation and pollution. But drum not often banged is the dwindling supply of phosphorus. It's is an essential element for all life. It makes up our DNA and all organisms need it for energy. It cannot be replaced, there is no synthetic substitute. In other words, without phosphorus, there is no life. This week on the Naked Scientists, we investigate whether we're running out of phosphorus for fertiliser and what we can do... Like this podcast? Please help us by supporting the Naked Scientists

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Outpacing Petrol - Biofuels and Hydrogen

Outpacing Petrol - Biofuels and Hydrogen

This week, we're investigating alternatives to petrol. We'll board a biofuel powered bus to meet the plant scientists who are using algae to make biodiesel. We'll find out how to turn household wast...

8 Okt 20111h 3min

Would a Siphon Work in Space?

Would a Siphon Work in Space?

Could a Siphon be used in orbit? Why do leaves change colour in Autumn? How is immunity passed from mother to baby through breastfeeding? Why do earthquakes happen away from plate boundaries? How do m...

1 Okt 20111h 7min

Cheese Making and Cake Baking: The Chemistry of Cookery

Cheese Making and Cake Baking: The Chemistry of Cookery

We've whipped up an appetising take on the science of food and cooking for you this week. With a main course of cookery in the kitchen served up by a cake-baking physicist followed by a microbiologica...

24 Sep 20111h 10min

Chilling Out - The Science of Cryogenics

Chilling Out - The Science of Cryogenics

This week, we're chilling out in the world of cryogenics, the science of the super-cold. We'll find out what happens to living tissue when it freezes, and how we can use low temperatures to keep organ...

17 Sep 20111h 3min

Supercomputers & Super Computing

Supercomputers & Super Computing

This week, we seek the science of supercomputers! We find out how they work, and how they can answer some of the biggest questions in science. We also hear about the World Community Grid, which offe...

10 Sep 201157min

Australopithecus Sediba Special

Australopithecus Sediba Special

Reader in evolution at Wits University, Lee Berger, made a life-changing discovery when he uncovered the remains of a new species of hominid, Australopithecus sediba, in South Africa. Here, Chris Smit...

7 Sep 201137min

Why do some animals dump indiscriminately?

Why do some animals dump indiscriminately?

Why do some animals poo wherever the fancy takes them, whilst others are more fussy about the locations of their lavatory actions? What triggers pins and needles? How do some fish survive in both fres...

3 Sep 20111h 6min

Science in Scotland

Science in Scotland

This week, Chris explores some of the cutting edge research taking place in Aberdeen. We meet a scientist making new cannabis-like chemicals that lack the side effects of the real thing, talk to a ma...

27 Aug 201158min

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